If you were a day away from facing a felony charge that could land you in the pokey for up to three years, how would you spend your remaining 24 hours? Seeing loved ones? Maybe doing some much-needed soul-searching?

If you're Lindsay Lohan, you spend it making sure you're ready for your close-up, which in this case will be mug shot No. 5.

The allegedly sticky-fingered starlet, 24, spent nearly three hours on Tuesday getting her blonde hair highlighted and blown out at the Byron & Tracey salon in Beverly Hills (that's her exiting in a floral dress at left)

During the appointment, LiLo chatted with her assistant as several minions presented outfits for her approval, says E! Online, which adds that she wasn't "acting weird at all" and seemed "super sweet."

Lohan appeared just as unruffled during a brief meeting with her probation officer at a Santa Monica courthouse earlier in the day.

"Lindsay looked like she doesn't have a care in the world," relays an X17 paparazzo. "She totally was smiling and seemed in a really good mood."